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Charles Plessy @charles_plessy

Super clean air in a parallelepipedic volume made easy. I was pretty amazed by the company's video where smoke would refuse to enter the clean zone as if there were an invisible wall.

koken-ltd.co.jp/english/koach/

koken-ltd.co.jp/english/koach/

The system is called KOACH, and the company Koken.

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